#ifndef HEADER_FILE
#define HEADER_FILE
#define length(x) (sizeof(x)/sizeof *(x))
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int secondMax(int a[], int len);

int sumMinus(int a[], int len);

char* takeSubString(char a[], int start, int aLength, int subLength);

char *substring(int i,int j,char *ch, int n);

#endif


